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Magical Frost Crystals

Both snow crystals and frost crystals grow from water vapor, but where snow crystals grow on suspended dust particles in the air, frost crystals grow on window panes, blades of grass, or just about any other solid surface.

When water vapor condenses into liquid water, you get raindrops or dew. When water vapor condenses directly into ice, then you get snowflakes or frost. Snowflakes are not frozen raindrops, and likewise frost is not frozen dew.

Window frost forms when a pane of glass is exposed to below-freezing temperatures on the outside and warm moist air on the inside. The water vapor condenses as frost on the cold window.

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Library: Arctic, Ice, Snow
Cold/Cold Places
Environment/Atmosphere
Links: Frost Crystals
Arctic, Cold Places, Environment
Arctic Maps & Weather Reports


Double-click any unlinked word DICTIONARY: Just "double-click" any unlinked word on this page for the definition from Merriam-Webster's Student Electronic Dictionary at Word Central.
Arctic Library ARCTIC LIBRARY & GLOSSARY: Check this section for an index of the rest of the things you really need to know about the Arctic.
All sorts of Arctic Maps ARCTIC MAPS & WEATHER REPORTS: Maps of the Northwest Passage, explorers' routes, iceberg sources, Nunavut, the Arctic by treeline, temperature...
Links to related sites. ARCTIC LINKS: Even more information! Links to sites related to the Arctic and "Iceberg: the Story of the Throps and the Squallhoots".
A Guide to Arctic Sunrise and Sunset GUIDE TO ARCTIC SUNRISE & SUNSET: How much sunlight or darkness is there in the Arctic on each day of the year?

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